“A professional team cannot just purchase products off the shelf as there is always the risk of cross contamination of banned substances which even in trace amounts could show up in blood tests and affect a players carrier,” he added.

“So the team can only take products that are batch tested and guaranteed not to contain any banned substances.”

Mr Friedman, who plays rugby for Northampton Old Scouts, has experience of working with professional athletes and was able to supply the products they needed.

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“I was really proud to be able to assist”, he added.

“It was even better when they presented me with a team T shirt and placed another order with me.”

The team head off to Manchester after the Fiji game where they will face a rather dejected England, who were dumped out of the cup after being defeated by Australia on Saturday.